# NTSB CHI75DER03: Piper PA-12, N221U, Amery, WI, August 25, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 25, 1974
- Place: Amery, WI · AMERY, WI
- Location: 45.3046° N, 92.3634° W: Placed by OpenAirDocs: center of Amery, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.3046&lon=-92.3634&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 18, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 138849
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75DER03
- Page: https://openairdocs.org/ntsb/CHI75DER03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3154  74/8/25    AMERY,WIS           PIPER PA-12         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1300                    N221U               PX-  0  0  0  DUAL                      AGE 45, 4250 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            75 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - NORTH TWIN LAKES
        DEPARTURE POINT             INTENDED DESTINATION
          AMERY,WIS                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           DUAL STUDENT - PREMATURE LIFT-OFF
           DUAL STUDENT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING TAIL WIND 203-247 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           84                                                       20
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           18                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- FLOAT EQPD.STALLED DRG DOWNWIND TURN AVOIDING TREES ON SHORELINE.WIND GUSTING 28K.
```

## Aircraft

- Registration: [N221U](https://openairdocs.org/deregistered/N221U-1974-10-09), registration cancelled 1974-10-09, S/N 12-704 (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: North Twin Lakes

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740825034789A](https://openairdocs.org/incident/19740825034789A), Aug 25, 1974: Piper PA12, Amery, WI, Substantial damage. Float eqpd. Stalled drg downwind turn avoiding trees on shoreline. Wind gusting 28K.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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